On 03/24/2016 03:30 AM, Nicolae Rosia wrote:
Hello,
I'm trying to write the contents of a variable to a file using ext4write
but it requires a memory address as input.
Is there an easy way to get the contents of a variable to a particular mem
address?
You weren't completely specific about your needs, but assuming you are
wanting to write a U-Boot environment variable to memory, try something like
=> # set up a test value
=> setenv var 12345678
=> printenv var
var=12345678
=>
=> # do the actual write
=> mw.l 80020000 $var 1
=>
=> # observe memory was set
=> md.l 8001fff0 c
8001fff0: 67ffedc4 dbc98df5 8e71cdd4 628fcacd ...g......q....b
80020000: 12345678 a2fe8db5 df34c767 636dbd37 xV4.....g.4.7.mc
80020010: 375dfdcb fde86ca2 3f273cdf 1fe951f9 ..]7.l...<'?.Q..
Also, "help mw".
This was done on something similar to beaglebone x15. You will need to
use memory addresses that are valid for your target system.
Jim
Best regards,
Nicolae
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--
Jim Chargin
AJA Video Systems j...@aja.com
(530) 271-3334 http://www.aja.com
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